<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<style>
			body {
				font-size: 20px;
			}
			.box1{
				width: 200px;
				height: 200px;
				background-color: #bfc;
			}
			.box2{
				width: 200px;
				height: 200px;
				background-color: orange;
				
				 		     
				 		   position:fixed;
				 		   
				 		   left:0px;
				 		   top:0px;
			}
			.box3{
				height: 200px;
				width: 200px;
				background-color: pink;
			}
			}
			.box4{
				height: 400px;
				width: 400px;
				background-color: skyblue;
				/*position:relative;*/
				
			}
			.box5{
				height: 300px;
				width: 300px;
				background-color: yellow;
		</style>
	</head>
	<body>
		<div class="box1">1</div>
		<div class="box4">4
			<div class="box5">
				5
				<div class="box2">2</div>
			</div>
		</div>
		<div class="box3">3</div>
	</body>
</html>
